Home / 21,630.50-29,823.05-18,050.62

Finding the Fourth Proportional to 21,630.50, 29,823.05 and 18,050.62

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Solution

The fourth proportional to 21,630.50, 29,823.05 and 18,050.62 is: 24,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.50 : 29,823.05 = 18,050.62 : x
  2. Step 2: Convert to fraction form
    21,630.50/29,823.05 = 18,050.62/x
  3. Step 3: Cross multiply
    21,630.50x = 29,823.05 × 18,050.62
  4. Step 4: Simplify right side
    21,630.50x = 538,324,303.42
  5. Step 5: Solve for x
    x = 538,324,303.42/21,630.50
  6. Step 6: Final answer
    x = 24,887.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.